Flange Back Adjustment; Flange Back Adjustment Jig) - Sony DCR-PC350 Service Manual

6. Flange Back Adjustment (Using Minipattern Box or

Flange Back Adjustment Jig)

The inner focus lens flange back adjustment is carried out
automatically. In whichever case, the focus will be deviated during
auto focusing/manual focusing.
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: Dark Siemens star chart.
Note2: This adjustment should be carried out upon completion of the
following adjustments.
"HALL Adjustment", "MR Adjustment",
"CCD Output 2ch Matching Adjustment"
Note3: Make the lens horizontal and perform this adjustment.
Note4: The data of page: 0, address: 10 must be "00".
Note5: Check that the data of page: 6, address: 02 is "00". If not, turn off
the power and turn on again.
Switch setting:
1) POWER ....................................................... CAMERA-TAPE
2) NIGHT SHOT .................................................................. OFF
3) COLOR SLOW SHUTTER (CAMERA SET menu) ...... OFF
Preparations for the minipattern box:
1) The minipattern box is installed as shown in the following
figure.
Note: The attachment lenses are not used.
2) Install the minipattern box so that the distance between it and
the front of the lens of the camcorder is less than 3cm.
3) Make the height of the minipattern box and the camcorder equal.
4) Check that the output voltage of the regulated power supply is
the specified voltage.
5) Check that at both the zoom lens TELE end and WIDE end,
the center of the Siemens star chart and center of the exposure
screen coincide.
Specified voltage: The specified voltage varies according to the
minipattern box, so adjust the power supply
output voltage to the specified voltage written
on the sheet which is supplied with the
minipattern box.
Minipattern box
Output voltage : Specified voltage ±0.01Vdc
Red (+)
Black (–)
Yellow (SENS +)
White (SENS –)
Black (GND)
DCR-PC350/PC350E
Flange back adjustment jig or
minipattern box (Siemens star chart
with ND filter (Note1))
Adjustment remote commander
F
48 to 58
Data of page: F, address: 57 is "00" to
"09".
Data of page: 6, address: 0C is "00".
Below 3 cm
Camcorder
Camera
table
Regulated power supply
Output current : more than 3.5A
Need not connected
Fig. 6-1-9 (1).
Preparations for the flange back adjustment jig:
1) Install the flange back adjustment jig so that the distance
between it and the front of the lens of the camcorder is less
than 3cm.
2) Adjust the illumination intensity to the chart of the flange back
adjustment jig. (350 ± 50 lux)
3) Check that at both the zoom TELE end and WIDE end, the
center of the chart and center of the monitor TV screen coincide.
Adjusting method:
Order Page Address Data
1 0 01
2 6 01
3
4 6 01
5 6 02
6 6 0C
7 F 57
Note6: The adjustment data will be automatically input to page: F, address:
48 to 58.
Processing after Completing Adjustments:
Order Page Address Data
1 6 01
2 6 01
3 6 01
4 0 01
5
Preparation of Flange Back Adj.
(Using the flange back adjustment jig)
(Luminance: about 300 lux)
1) Install the flange back adjustment jig so that the distance be-
tween it and the front of lens of camera is less than 3 cm.
2) Make the height of flange back adjustment jig and the camera
equal.
3) Check that the center of chart meets the center of shot image
screen with the zoom lens at TELE end and WIDE end respec-
tively.
Flange back adjustment jig
6-25
Procedure
01 Set the data.
13 Set the data, and press PAUSE
button.
Wait for 2 sec.
27 Set the data, and press PAUSE
button.
Check that the data changes to
"01". (Note6)
Check that the data is "00".
Check that the data is "00" to
"09".
Procedure
00 Set the data, and press PAUSE
button.
25 Set the data, and press PAUSE
button.
00 Set the data, and press PAUSE
button.
00 Set the data.
Perform "Flange Back Check".
Below 3 cm
Camera
Fig. 6-1-9 (2).